References
- Bellakhdar J, Claisse R, Fleurentin J, Younos C (1991): Reper-tory of standard herbal drugs in the Moroccan pharma-copoeia. J Ethnopharmacol 35: 123–143.
- Duke JA (1992): Handbook of Phytochemical Constituents of Gras Herbs and Other Economic Plants. Boca Raton, FL, CRC Press.
- Erdtman G (1945): Pollen morphology and plant taxonomy. W Labiatae, Verbenaceae, and Avicenniaceae. Svensk Bot Tidskr 29: 279–85.
- Haslam E (1982): The metabolism of gallic and hexahydroxy-diphenic acid in higher plants. Fortschritte Chem Org Naturstoffe 41: 1.
- Jimenez C, Riguera R (1994): Phenylpropanoid glycosides in plants: Structure and biological activity. Nat Prod Rep 11: 591–606.
- Kvist LP, Pedersen JA (1986): Distribution and taxonomic implications of some phenolics in the family Gesneriaceae determined by ESR spectroscopy. Biochem Syst Ecol 14: 385–405.
- Mouhajir F, Pedersen JA, Rejdali M, Towers GHN (1999): Antimicrobial thymohydroquinones of Moroccan Nigella sativa seeds detected by electron spin resonance. Pharm Biol 37: 391–395.
- Natural Products Alert or NAPRALERT database (1975–1998): University of Illinois, Chicago.
- Pedersen JA (1978): Naturally occurring quinols and quinones studied as semiquinones by electron spin resonance. Phytochem 17: 775–778.
- Pedersen JA (1985): Handbook of ESR Spectra from Quinones and Quinols. Boca Raton, Florida, CRC Press, Inc.
- Pedersen JA (2000): Distribution and taxonomic implications of some phenolics in the family Lamiaceae determined by ESR spectroscopy. Biochem Sys Ecol 28: 229–253.
- Saxena G, McCutcheon AR, Farmer S, Towers GHN, Hancock REW (1994): Antimicrobial constituents of Rhus glabra. J Ethnopharmacol 42: 95–100.